“The Walking Dead” has entertained millions over the six seasons of television on AMC. Most of the selections from the zombie genre are easily forgotten splatter fests, but some stand the test of time as deeper comments on society, such as “Night of the Living Dead” or “Dawn of the Dead.” “The Walking Dead” joins this tradition. As society collapses under the weight of zombie hoards, we get to see what happens, both on a group and individual level.